Which property of concrete is primarily affected by the water-cement ratio?

Which property of concrete is primarily affected by the water-cement ratio?

Step 1: Understand what the water-cement ratio is. It is the amount of water used in relation to the amount of cement in a concrete mix.
Step 2: Know that the compressive strength of concrete is its ability to withstand being pushed or pulled without breaking.
Step 3: Realize that a lower water-cement ratio means less water and more cement, which makes the concrete stronger.
Step 4: Recognize that a higher water-cement ratio means more water and less cement, which can weaken the concrete.
Step 5: Conclude that the property of concrete primarily affected by the water-cement ratio is its compressive strength.

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